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    <title>Layer Z-Index</title>
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        This example uses OpenLayers v<span>4.6.5</span>. The <a id="latest-link" href="#" class="alert-link">latest</a> is v<span id="latest-version"></span>.
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        <div class="span12">
          <h4 id="title">Layer Z-Index</h4>
          <div id="map" class="map"></div>
<div>
  <label for="idx1">
    <input type="number" id="idx1"></input>
    Square layer Z-index
  </label></br>

  <label for="idx2">
    <input type="number" id="idx2"></input>
    Triangle layer Z-index
  </label>
</div>

        </div>
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          <p id="shortdesc">Example of ordering layers using Z-index.</p>
          <div id="docs"><p>There are are two managed layers (square and triangle) and one unmanaged layer (star).</br> The Z-index determines the rendering order; with {square: 1, triangle: 0, star: unmanaged} indices, the rendering order is triangle, square and star on top.</p>
</div>
          <div id="api-links">Related API documentation: <ul class="inline"><li><a href="../apidoc/ol.Feature.html" title="API documentation for ol.Feature">ol.Feature</a></li>,<li><a href="../apidoc/ol.Map.html" title="API documentation for ol.Map">ol.Map</a></li>,<li><a href="../apidoc/ol.View.html" title="API documentation for ol.View">ol.View</a></li>,<li><a href="../apidoc/ol.geom.Point.html" title="API documentation for ol.geom.Point">ol.geom.Point</a></li>,<li><a href="../apidoc/ol.layer.Vector.html" title="API documentation for ol.layer.Vector">ol.layer.Vector</a></li>,<li><a href="../apidoc/ol.source.Vector.html" title="API documentation for ol.source.Vector">ol.source.Vector</a></li>,<li><a href="../apidoc/ol.style.Fill.html" title="API documentation for ol.style.Fill">ol.style.Fill</a></li>,<li><a href="../apidoc/ol.style.RegularShape.html" title="API documentation for ol.style.RegularShape">ol.style.RegularShape</a></li>,<li><a href="../apidoc/ol.style.Stroke.html" title="API documentation for ol.style.Stroke">ol.style.Stroke</a></li>,<li><a href="../apidoc/ol.style.Style.html" title="API documentation for ol.style.Style">ol.style.Style</a></li></ul></div>
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        <form method="POST" id="codepen-form" target="_blank" action="https://codepen.io/pen/define/">
          <textarea class="hidden" name="title">Layer Z-Index</textarea>
          <textarea class="hidden" name="description">Example of ordering layers using Z-index.</textarea>
          <textarea class="hidden" name="js">var stroke &#x3D; new ol.style.Stroke({color: &#x27;black&#x27;, width: 1});

var styles &#x3D; {
  &#x27;square&#x27;: new ol.style.Style({
    image: new ol.style.RegularShape({
      fill: new ol.style.Fill({color: &#x27;blue&#x27;}),
      stroke: stroke,
      points: 4,
      radius: 80,
      angle: Math.PI / 4
    })
  }),
  &#x27;triangle&#x27;: new ol.style.Style({
    image: new ol.style.RegularShape({
      fill: new ol.style.Fill({color: &#x27;red&#x27;}),
      stroke: stroke,
      points: 3,
      radius: 80,
      rotation: Math.PI / 4,
      angle: 0
    })
  }),
  &#x27;star&#x27;: new ol.style.Style({
    image: new ol.style.RegularShape({
      fill: new ol.style.Fill({color: &#x27;green&#x27;}),
      stroke: stroke,
      points: 5,
      radius: 80,
      radius2: 4,
      angle: 0
    })
  })
};


function createLayer(coordinates, style, zIndex) {
  var feature &#x3D; new ol.Feature(new ol.geom.Point(coordinates));
  feature.setStyle(style);

  var source &#x3D; new ol.source.Vector({
    features: [feature]
  });

  var vectorLayer &#x3D; new ol.layer.Vector({
    source: source
  });
  vectorLayer.setZIndex(zIndex);

  return vectorLayer;
}

var layer0 &#x3D; createLayer([40, 40], styles[&#x27;star&#x27;], 0);
var layer1 &#x3D; createLayer([0, 0], styles[&#x27;square&#x27;], 1);
var layer2 &#x3D; createLayer([0, 40], styles[&#x27;triangle&#x27;], 0);

var layers &#x3D; [];
layers.push(layer1);
layers.push(layer2);

var map &#x3D; new ol.Map({
  layers: layers,
  target: &#x27;map&#x27;,
  view: new ol.View({
    center: [0, 0],
    zoom: 18
  })
});

layer0.setMap(map);


function bindInputs(id, layer) {
  var idxInput &#x3D; document.getElementById(&#x27;idx&#x27; + id);
  idxInput.onchange &#x3D; function() {
    layer.setZIndex(parseInt(this.value, 10) || 0);
  };
  idxInput.value &#x3D; String(layer.getZIndex());
}
bindInputs(1, layer1);
bindInputs(2, layer2);
</textarea>
          <textarea class="hidden" name="css"></textarea>
          <textarea class="hidden" name="html">&lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
&lt;div&gt;
  &lt;label for&#x3D;&quot;idx1&quot;&gt;
    &lt;input type&#x3D;&quot;number&quot; id&#x3D;&quot;idx1&quot;&gt;&lt;/input&gt;
    Square layer Z-index
  &lt;/label&gt;&lt;/br&gt;

  &lt;label for&#x3D;&quot;idx2&quot;&gt;
    &lt;input type&#x3D;&quot;number&quot; id&#x3D;&quot;idx2&quot;&gt;&lt;/input&gt;
    Triangle layer Z-index
  &lt;/label&gt;
&lt;/div&gt;
</textarea>
          <input type="hidden" name="resources" value="https://openlayers.org/en/v4.6.5/css/ol.css,https://openlayers.org/en/v4.6.5/build/ol.js">
          <input type="hidden" name="data">
        </form>
        <pre><code id="example-source" class="language-markup">&lt;!DOCTYPE html&gt;
&lt;html&gt;
  &lt;head&gt;
    &lt;title&gt;Layer Z-Index&lt;/title&gt;
    &lt;link rel="stylesheet" href="https://openlayers.org/en/v4.6.5/css/ol.css" type="text/css"&gt;
    &lt;!-- The line below is only needed for old environments like Internet Explorer and Android 4.x --&gt;
    &lt;script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"&gt;&lt;/script&gt;
    &lt;script src="https://openlayers.org/en/v4.6.5/build/ol.js"&gt;&lt;/script&gt;
  &lt;/head&gt;
  &lt;body&gt;
    &lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
    &lt;div&gt;
      &lt;label for&#x3D;&quot;idx1&quot;&gt;
        &lt;input type&#x3D;&quot;number&quot; id&#x3D;&quot;idx1&quot;&gt;&lt;/input&gt;
        Square layer Z-index
      &lt;/label&gt;&lt;/br&gt;

      &lt;label for&#x3D;&quot;idx2&quot;&gt;
        &lt;input type&#x3D;&quot;number&quot; id&#x3D;&quot;idx2&quot;&gt;&lt;/input&gt;
        Triangle layer Z-index
      &lt;/label&gt;
    &lt;/div&gt;
    &lt;script&gt;
      var stroke &#x3D; new ol.style.Stroke({color: &#x27;black&#x27;, width: 1});

      var styles &#x3D; {
        &#x27;square&#x27;: new ol.style.Style({
          image: new ol.style.RegularShape({
            fill: new ol.style.Fill({color: &#x27;blue&#x27;}),
            stroke: stroke,
            points: 4,
            radius: 80,
            angle: Math.PI / 4
          })
        }),
        &#x27;triangle&#x27;: new ol.style.Style({
          image: new ol.style.RegularShape({
            fill: new ol.style.Fill({color: &#x27;red&#x27;}),
            stroke: stroke,
            points: 3,
            radius: 80,
            rotation: Math.PI / 4,
            angle: 0
          })
        }),
        &#x27;star&#x27;: new ol.style.Style({
          image: new ol.style.RegularShape({
            fill: new ol.style.Fill({color: &#x27;green&#x27;}),
            stroke: stroke,
            points: 5,
            radius: 80,
            radius2: 4,
            angle: 0
          })
        })
      };


      function createLayer(coordinates, style, zIndex) {
        var feature &#x3D; new ol.Feature(new ol.geom.Point(coordinates));
        feature.setStyle(style);

        var source &#x3D; new ol.source.Vector({
          features: [feature]
        });

        var vectorLayer &#x3D; new ol.layer.Vector({
          source: source
        });
        vectorLayer.setZIndex(zIndex);

        return vectorLayer;
      }

      var layer0 &#x3D; createLayer([40, 40], styles[&#x27;star&#x27;], 0);
      var layer1 &#x3D; createLayer([0, 0], styles[&#x27;square&#x27;], 1);
      var layer2 &#x3D; createLayer([0, 40], styles[&#x27;triangle&#x27;], 0);

      var layers &#x3D; [];
      layers.push(layer1);
      layers.push(layer2);

      var map &#x3D; new ol.Map({
        layers: layers,
        target: &#x27;map&#x27;,
        view: new ol.View({
          center: [0, 0],
          zoom: 18
        })
      });

      layer0.setMap(map);


      function bindInputs(id, layer) {
        var idxInput &#x3D; document.getElementById(&#x27;idx&#x27; + id);
        idxInput.onchange &#x3D; function() {
          layer.setZIndex(parseInt(this.value, 10) || 0);
        };
        idxInput.value &#x3D; String(layer.getZIndex());
      }
      bindInputs(1, layer1);
      bindInputs(2, layer2);
    &lt;/script&gt;
  &lt;/body&gt;
&lt;/html&gt;</code></pre>
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